package com.ize.util;

import com.aliyun.oss.*;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;
import lombok.extern.slf4j.Slf4j;

import java.io.InputStream;

@Slf4j
public class AliyunOssUtil {

    // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
    private static final String endpoint = "https://oss-cn-beijing.aliyuncs.com";

    private static final String ACCESS_KEY_ID = "LTAI5t7wQJNHTMNZ4gZwoAVG";
    private static final String ACCESS_KEY_SECRET = "nyf0Xk7CQrWQHFwcOd2yE47qLG8X6T";

    // 填写Bucket名称，例如examplebucket。
    private static final String bucketName = "big-nnew";

    public static String picUrl(String objectName, InputStream in) throws Exception {
        log.info("阿里云图片上传{}:", objectName);

        // 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。
        // 填写本地文件的完整路径，例如D:\\localpath\\examplefile.txt。
        // 如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件。
//        String filePath= "E:\\工具\\IDEA\\CODE\\BigNew\\src\\main\\resources\\touxiang_Data\\"+objectName;
        // 填写Bucket所在地域。以华东1（杭州）为例，Region填写为cn-hangzhou。
//        String region = "cn-hangzhou";

        // 创建OSSClient实例。
        OSSClient ossClient = new OSSClient(endpoint, ACCESS_KEY_ID, ACCESS_KEY_SECRET);
        String url = "https://"+bucketName+"."+endpoint.substring(endpoint.lastIndexOf("/")+1)+"/"+objectName;
        try {
            // 创建PutObjectRequest对象。
            PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, objectName,in);
            // 如果需要上传时设置存储类型和访问权限，请参考以下示例代码。
            // ObjectMetadata metadata = new ObjectMetadata();
            // metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString());
            // metadata.setObjectAcl(CannedAccessControlList.Private);
            // putObjectRequest.setMetadata(metadata);

            // 上传文件。
            PutObjectResult result = ossClient.putObject(putObjectRequest);
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        return url;
    }

    public static void deletePic(String PicName) throws Exception{
        log.info("阿里云图片删除{}:",PicName);
        // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
//        String endpoint = "https://oss-cn-beijing.aliyuncs.com";
        // 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
        //EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
//        EnvironmentVariableCredentialsProvider credentialsProvider = new EnvironmentVariableCredentialsProvider();
//        credentialsProvider.setCredentials(new DefaultCredentials(ACCESS_KEY_ID, ACCESS_KEY_SECRET));
        // 填写Bucket名称，例如examplebucket。
        String bucketName = "big-nnew";
        // 填写文件完整路径。文件完整路径中不能包含Bucket名称。
//        String objectName = "1e0c8a7a-5706-4e07-9926-f6e418dd2373_1744943111394.jpg";
        // 填写Bucket所在地域。以华东1（杭州）为例，Region填写为cn-hangzhou。
        String region = "cn-beijing";

        // 创建OSSClient实例。
        ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
        clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);
        // 直接使用 Access Key ID 和 Secret
        OSS ossClient = new OSSClientBuilder().build(endpoint, ACCESS_KEY_ID, ACCESS_KEY_SECRET);


        try {
            // 删除文件或目录。如果要删除目录，目录必须为空。
            ossClient.deleteObject(bucketName, PicName);
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}

